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Insider Threat Detection: Using Classification Models

Talgan Kumar Rao,Narayana Darapaneni,A. Paduri,A. S,Arun Kumar,Guruprasad Ps

Published 2023 in International Conference on Contemporary Computing

ABSTRACT

Insider threats refer to cyber-attacks originating from within an organization that can cause significant damage, such as intellectual property theft, sabotage, and sensitive data exposure. Traditional cybersecurity strategies tend to focus on external threats, leaving organizations vulnerable to insider attacks. In this paper, we propose an approach for insider threat classification with various classification models. Aggregated numerical features are generated using the access patterns of the employees of the organization. We used the CERT dataset for training and testing. The proposed method is evaluated with classification models like Logistic Regression, Decision Tree, Random Forest, and Xgboost. The experimental results of the model's performance, measured using evaluation metrics such as accuracy, recall, precision, and F1-Score, demonstrated improved accuracy and performance compared to existing works in terms of high recall, precision, and F1-Score values, and effectively outperformed pre-trained CNN models.

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